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Coil springs support the weight of the vehicle and allow the body to move up and down. Shocks control the springs’ oscillations. A coilover combines both functions in one component that also allows adjustments to tune the suspension. Although coilovers look like struts, and can be used to replace them on many applications, they should not be referred to as struts because coilovers can also replace shocks, which are not structural suspension members.

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Factory coil springs, shocks, and struts are okay for cruising, but inadequate for spirited street driving and racing. If you want to lower your car for better appearance and less body roll, and fine tune spring preload and shock damping for better handling, coilovers are the answer. There are different types of coilovers and adjustment features vary. Check out the kits on this page and punch in your year, make, and model to see what we have for your car.

Coilovers are a popular choice for lowering ride height. Lowering your car will reduce the gap between the top of the tires and the fenders for that desirable “flush stance”, and lowering the center of gravity helps reduce body roll and improve cornering, braking and acceleration. Unlike lowering springs that reduce ride height by a predetermined amount, coilovers are adjustable, so you can fine tune the height at each wheel. The way the coilover changes height varies according to design. Some use a threaded collar at the base of the spring, while on others the length of the shock body can be changed at the bottom.

A coilover sleeve is the most economical way to change ride height. The threaded sleeve and coil spring fits over the shock or strut in place of the original spring. A locking collar can be raised or lowered on the threads to change ride height. They’re available with different rate springs and they allow you to use your choice of shocks or struts. Some full body coilovers incorporate this adjustment design, with the threads and collar right on the shock/strut body. The downside to this method of ride height adjustment is that ride height adjustment and spring preload can’t be adjusted independently.

Coilovers with threaded lower mounts are the best way to change ride height. The lower mount rotates up or down on the threads, and is then locked in place with a locknut. Spring preload can be adjusted separately using the same threaded collar and locknut system. Premium coilovers also allow shock damping adjustment, to further fine tune handling. Some provide a single adjustment for both compression and rebound damping, while others have separate adjustments for each. Coilovers with a greater range of adjustment allow settings to be changed for street and track and to suit track conditions.

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Guides & Articles

  • Performance Parts
    When first glancing through the Performance Coilover Kits section of our website, you may be put off by some of the prices you see. After all, what are you buying other than a combo set of springs and shocks under some fancy name? Certainly, you ask yourself, can't you purchase springs and shocks separately and monetarily come out ahead?
  • Performance Parts
    If you are using your "daily driver" car or truck for occasional towing duty, you are looking for that ideal sweet spot where the weekday commute is comfortable and quiet, and the weekend trailering feels solid and secure. In other words, you don't want to vehicle to feel too "stiff" during the week, nor do you want it to ride "soft" when pulling a trailer.
  • Performance Parts
    Very often we don't even realize what a crucial role a car's suspension plays in providing a safe and comfortable ride. The system maximizes the friction between the road surface and your vehicle's tires, ensuring steering stability along with responsive handling.
  • Performance Parts
    The very first thing to know about timely suspension system diagnosis is that the stability and steering control of your vehicle and, what is more important, your safety on the road depends on how often you make it. Automotive suspension belongs to one of those car systems that are constantly exposed to high loads and thus are prone to wear and tear. Most specialists recommend inspecting suspension system after every 6,500-7,500 miles or when there are any signs of its breakage.
  • Performance Parts
    Lowering is high on the list of many people who want to improve the appearance of their car. If you want to lower your car with the coil springs, then replacing them with lowering springs is the way to go. But what if you want to lower your car and also make it handle better? If that’s your goal then consider coil-over shocks.

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Aftermarket Coilovers Reviews

Average rating:  4.5  4.6 - 43 reviews
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5 of 5
2010 Honda Element / Posted by Mathias (Seattle, WA) /

Completely satisfied with these. Installation was straightforward, they look great, and my 2010 Honda Element SC now has the exact height and improved handling characteristics that I wanted. Definitely a quality product.

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